Home / 7,927.53-10,915.10-6,730.04

Finding the Fourth Proportional to 7,927.53, 10,915.10 and 6,730.04

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Solution

The fourth proportional to 7,927.53, 10,915.10 and 6,730.04 is: 9,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.53 : 10,915.10 = 6,730.04 : x
  2. Step 2: Convert to fraction form
    7,927.53/10,915.10 = 6,730.04/x
  3. Step 3: Cross multiply
    7,927.53x = 10,915.10 × 6,730.04
  4. Step 4: Simplify right side
    7,927.53x = 73,459,059.60
  5. Step 5: Solve for x
    x = 73,459,059.60/7,927.53
  6. Step 6: Final answer
    x = 9,266.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.